Lehigh scientist receives NHGRI grant to streamline, expand use of genome sequencing
...olecular interactions and mechanical properties of polymer molecules to DNA that is undergoing arrested polymerization to initially demonstrate one-molecule-at-a-time analysis of changes in molecular mechanics. The ultimate goal of the project is to achieve a resolution of a single base. Using optical, nea...Vitamin C and water not just healthy for people -- healthy for plastics, too
...rove efficiency, product control, and cost for the polymer industry," said Andy Lovinger, the National Scienc...approaches could have a very significant impact on polymer manufacturing." Plastics are polymers, long, potentially complex, molecule chains crafted from an a...Finding the right mix: A biomaterial blend library
...ions of biomaterial scaffolds made from controlled polymer blend compositions. The library currently contains scaffolds made from blends of poly(DTE carbonate) and poly(DTO carbonate). Ultimately, Becker says, the goal is to develop rapid, inexpensive methods to predict the behavior in the body of any of tho...MIT engineers probe spiders' polymer art
...serve the same purpose. In conjunction with the polymer synthesis and analysis work of Paula T. Hammond, a...nologies to emulate the properties of silk through polymer processing. "We're interested in artificial materials that emulate silk," McKinley said. Tailorin...Dopamine used to prompt nerve tissue to regrow
...grate dopamine, a type of neurotransmitter, into a polymer to stimulate nerve tissues to send out new connect...tep toward the eventual goal of implanting the new polymer into patients suffering from neurological disorders to help repair damaged nerves. The findings were...Beetle feet stick to their promises
...ow it works remains a trade secret. Optimizing the polymer mixture also taxed the researchers: if it is too fluid it runs out of the mold; if it is too viscose, it won't even go in. Potential applications range from protective foil for delicate glasses to reusable adhesive fixtures - say goodbye to fridge ...UCLA engineers develop revolutionary nanotech water desalination membrane
...mbranes, which simply filter water through a dense polymer film, Hoek's membrane contains specially synthesized nanoparticles dispersed throughout the polymer -- known as a nanocomposite material. "The nanoparticles are designed to attract water and are hi...Two Pitt researchers make 'Scientific American 50' of leaders in science and technology
...s their work developing and characterizing elastic polymer scaffolds loaded with cells that caught the attent...sing strong electrical fields to combine cells and polymer nanofibers that rapidly form elastic tissue-like scaffolds. The technique can place cells within fib...Scientists find new way to manipulate DNA
...s to reduce flow drag to gene therapy. But long polymer chains are subject to breakage, called scission, a...emy of Sciences. The paper, "Universal scaling for polymer chain scission in turbulence," defines which flow forces and at what levels those forces cause polym...ACS News Service Weekly PressPac -- Nov. 15, 2006
...ablished process for drawing fibers out of a thick polymer by use of an electric field. The scientists used an electrospinning approach in which a concentrated suspension of living cells flowed through a tiny inner needle while thick poly(dimethylsiloxane) flowed from an outer needle. The silicone material f...Microcapsules like it hot and salty
...model which exactly describes the processes in the polymer shell of the capsules. This means that is possible...ernate layers of positively and negatively charged polymer molecules so that molecules with very different properties can be used to make the capsules. To m......ient by working with farmers to line the pits with polymer sheets to minimize evaporation from soil surface, and to use polymers to increase the storage capacity of the soil so sufficient run-off is kept for the harshest days of the long, dry summer. In North Africa, farmers build terraced stone and earth w...Engineered yeast speeds ethanol production
...plays a crucial role. First, cornstarch or another polymer of glucose is broken down into single sugar (glucose) molecules by enzymes, then yeast ferments the glucose into ethanol and carbon dioxide. Last year, four billion gallons of ethanol were produced from 1.43 billion bushels of corn grain (including...MIT: Engineered yeast speeds ethanol production
...plays a crucial role. First, cornstarch or another polymer of glucose is broken down into single sugar (glucose) molecules by enzymes, then yeast ferments the glucose into ethanol and carbon dioxide. Last year, four billion gallons of ethanol were produced from 1.43 billion bushels of corn grain (including ...A molecular condom against AIDS
...ls are uncomfortable." The molecular condom is a polymer a molecule with a repeating, chain-like structure...ensitive gel, but Kiser and colleagues altered the polymer so it would change from liquid to gel and back at the desired temperature and pH. They also designed...Gene discovered by UNC researchers tied to pancreatic cancer
... cells, specifically via the actin cytoskeleton, a polymer protein complex that provides much of the basis for cell shape," Otey said. In 1996 Dr. Teresa A. Brentnall, an associate professor of medicine at the University of Washington, became aware of a family in which 18 members, over four generations, di...MIT creates 3-D scaffold for growing stem cells
..." the authors wrote in the paper. Other synthetic polymer biomaterials are simply too big. Getting cells to grow on them is like forcing spiders to build webs on skyscraper girders. Zhang's nanofiber scaffold, around 1,000 times smaller than the existing systems, is much closer in size to the extracellular ...Donald H. Sebastian receives award from SMART
... Stevens. An internationally recognized scholar in polymer process and product design, Sebastian has authored more than 60 technical publications....ACS News Service Weekly PressPac -- January 10, 2007
... Georgia are reporting successful lab tests of new polymer microparticles that show promise as a long-sought ...s the lack of a delivery system for SOD. The new polymer microparticles have several advantages over other potential delivery systems, the researchers state.......s of polydimethylsiloxane, a silicon-based organic polymer (more commonly known as the primary ingredient in ...he ion beam alters the chemical composition of the polymer close to its surface and forms a thin stiff skin which wants to expand," explains Vaziri. "The conse...